A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6220-00-848-8857
NSN 6145-01-162-4085
NSN 6610-01-008-7564
NSN 5910-01-008-9730
NSN 5895-01-434-9006
NSN 2925-00-633-7223
NSN 5975-00-408-8152
NSN 6240-00-229-8183
NSN 6145-00-493-4073
NSN 6220-01-497-4600
NSN 5945-01-203-6837
NSN 6110-00-671-9404